Leptanilla copiosa is a species of ant in the subfamily Leptanillinae, first described by Petersen in 1968 as Noonilla copiosa based on a male specimen from the Philippines. Noonilla was initially placed in the subfamily Leptanillinae, but was later removed from the subfamily when Ogata, Terayama & Masuko (1995) reviewed the genus, leaving the genus incertae sedis in the family. It was later readded to Leptanillinae.[1]